What is vasodepressor syncope. Is it dangerous. I never passed out. Just always light headed.

Syncope. usually not dangerous unless you hit your head while falling. if you just have light headedness, most of the time increasing salt and fluid intake (unless you have some kidney issues or hypertension) helps a lot.
Let me explain. Vasovagal syncope occurs when your body overreacts to certain triggers, such as the sight of blood or extreme emotional distress. This condition could be dangerous.
Syncope . Vasovagal syncope is the sudden drop in blood pressure and heart rate from different kinds of external stimuli because of increased activity of vagus nerve. Not a life-threatening condition but can sometimes cause falls which can be dangerous.